Comments on: Green Ringer

By: chuck

chuck — Tue, 31 Jan 2012 22:30:51 +0000

is it just me, or it is printing super tiny? both the cad file and the pdf

By: DIYtechgear

DIYtechgear — Tue, 17 Jan 2012 20:05:11 +0000

Love this little circuit and it’s symmetry. This was a fun pedal to build and sounds very neat when placed after a fuzz pedal (EX. Big Muff Pi). I believe it sounds best when playing individual notes ie, scales!

Thanks Gauss!

By: Tony

Tony — Sun, 28 Nov 2010 19:28:03 +0000

I want to add a tone control to this circuit or which cap can i change to take out treble?

By: Tony

Tony — Thu, 29 Apr 2010 10:37:53 +0000

I `m trying to find a diagram to add a tone control or toggle switch to kill the treble so I don`t have to roll the tone knob back on my guitar when I switch it on every time

By: chris

chris — Wed, 14 Nov 2007 12:04:07 +0000

GM,
Thanks for your time and advice!

By: gaussmarkov

gaussmarkov — Wed, 14 Nov 2007 04:27:04 +0000

Hi chris!

I don’t think the transistors are the key thing. The place you need symmetry is with R6 and R7, with C2 and C3, R8 and R9, diodes D1 and D2, and R11 and R10.

If you are using 1% (metal film) resistors, then you can check them with a DMM but any pair you choose will probably be very close. With the capacitors there is much more variation, so definitely use a DMM to match those.

I’m a little shaky on diodes, so I’d check those with a DMM also. My guess is that most pairs will come out similar there too. But I would check.

There’s a lot of discussion of this sort of thing on Aron’s forum. I highly recommend checking there. Use the search function and type in “green ringer matched.”

You have to register to get access to the search function. But that’s easy and no cost. It’s all benefit.

By: chris

chris — Wed, 14 Nov 2007 02:06:57 +0000

Hi!
I’ve read that one should make sure the transistors are matched in the Green Ringer. Is this really necessary and if so, how does one go about matching transistors?